How To Fix DMU410 - Node &1 only allows one valid item variant in the explosion

SAP Error Message - Details

• Message type: E = Error

• Message class: DMU - Digital Mock Up (DMU)

• Message number: 410

• Message text: Node &1 only allows one valid item variant in the explosion

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMU410 - Node &1 only allows one valid item variant in the explosion ?

  The SAP error message DMU410 ("Node &1 only allows one valid item variant in the explosion") typically occurs in the context of a variant configuration scenario, particularly when dealing with product structures in SAP's Advanced Planning and Optimization (APO) or similar modules. This error indicates that the system has encountered a situation where a node in the product structure (often a configurable product) is set up to allow only one valid item variant, but multiple variants are being considered during the explosion process.
  Cause:
  
  Configuration Settings: The node in question is configured to allow only one valid item variant, but the system is trying to process multiple variants.
  Product Structure Issues: There may be inconsistencies or errors in the product structure or configuration settings that lead to multiple variants being considered.
  Master Data Issues: The master data for the configurable product may not be set up correctly, leading to ambiguity in the variants.
  Dependencies: There may be dependencies or constraints defined in the configuration that are not being met, causing the system to evaluate multiple variants.
  
  Solution:
  
  Review Configuration Settings: Check the configuration settings for the node in question. Ensure that it is set up correctly to allow the intended number of variants.
  Check Product Structure: Review the product structure to ensure that it is correctly defined and that there are no conflicting settings that would lead to multiple variants being considered.
  Validate Master Data: Ensure that the master data for the configurable product is accurate and complete. This includes checking the characteristics, values, and dependencies.
  Adjust Dependencies: If there are dependencies defined, review them to ensure they are correctly set up and that they do not inadvertently lead to multiple valid variants.
  Test Configuration: Perform tests with different configurations to see if the error persists. This can help identify specific configurations that lead to the issue.
  Consult Documentation: Refer to SAP documentation or notes related to variant configuration and product structure for additional guidance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Use transaction codes like CU50 (Configuration Profile) or CU01 (Create Configuration Profile) to review and adjust configuration settings.
  Debugging: If necessary, consider debugging the process to identify where the error is occurring in the variant explosion logic.
  SAP Community: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the DMU410 error and implement a solution to resolve it.